• Weight: Claimed 1,530g, measured 1,563g including tubeless tape and valves
• Rim depth: 82-85mm Sawtooth profile
• Rim internal width: 23mm
• Rim external width: 27mm
• Rim type: Hookless
• Hubset: Cognition V2
• Freehub options: SRAM XDR, Shimano HG, Campagnolo N3W
• Spoke count F/R: 20/20
• Spoke type: J-bend bladed

Improve sidewall protection compared to Grand Prix 5000 S TR

Improved durability over Grand Prix 5000 S TR

Rubber compound formulated for wet weather riding

Hookless ready profile

Tyre Technology: BlackChilli II Compound, Vetran Tyre Breaker, Active Comfort Technology, Tubeless Ready

• New geometry: 100% horizontal actuation means lighter ger pulls and less ghost shifting
• Tri-Pack 2.0 clutch larger discs and finer threads: Increased torque and adjustability equate to less chain slap and easier set-up.
• Set-up management: Out-of-sight cable, cable pully and adjustment screws, and laser B-gap mark equals clean and simple set-up
• Wide offset cage: More pully offset and cage surface makes for tougher cage and snappy shifting
• titanium hardware: Strength, corrosion resistance, and less weight lead to a longer service life

• Brand new tooth shape: Exact fit radii for Prime 9 chain rollers means much higher load capacity and longer service life
• New tooth profile: Wider leading edge also yields a much higher load capacity and longer service life
• New hardening process: 2x harder than Gen1 which also contributes to higher load capacity and longer component life span
• New shift ramps: Adjusted shape and position means crisp and fast shifting

Aerodynamic profile, incl. rear edge at the top of the rear end

Excellent ventilation provided by 10 air inlets and 7 air outlets

Forced Air Cooling Technology combines front and rear vents with deep channels for a cool head - plus air scoop (top) for the Venturi effect

FlowStraps: aerodynamic, flutter-free and skin-friendly webbing

In-Mould for a permanent bond between the outer shell and the shock-absorbing helmet material (EPS)

Zoom Ace: finely adjustable, height-adjustable adjustment system with easy-grip adjustment wheel for individual fit

Helmet fits well on ponytail wearers - height-adjustable adjustment system at the back of the head creates space for ponytails

Half-ring: plastic ring half enclosing the head and connected to the adjustment system - enables size adjustment

MIPS: Impact protection that protects the brain, especially when the cyclist's head hits the ground at an angle during a fall

Made in Italy

Operation and use:

Lightweight adult helmet for use on road bikes or gravel bikes

Great fit for all those for whom fun riding is the priority